diff options
Diffstat (limited to 'libavcodec/i386/idct_mmx.c')
| -rw-r--r-- | libavcodec/i386/idct_mmx.c | 514 |
1 files changed, 257 insertions, 257 deletions
diff --git a/libavcodec/i386/idct_mmx.c b/libavcodec/i386/idct_mmx.c index d1a84549d0..2b884fd832 100644 --- a/libavcodec/i386/idct_mmx.c +++ b/libavcodec/i386/idct_mmx.c @@ -38,7 +38,7 @@ #if 0 /* C row IDCT - its just here to document the MMXEXT and MMX versions */ static inline void idct_row (int16_t * row, int offset, - int16_t * table, int32_t * rounder) + int16_t * table, int32_t * rounder) { int C1, C2, C3, C4, C5, C6, C7; int a0, a1, a2, a3, b0, b1, b2, b3; @@ -77,241 +77,241 @@ static inline void idct_row (int16_t * row, int offset, /* MMXEXT row IDCT */ -#define mmxext_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, -c4, -c2, \ - c4, c6, c4, c6, \ - c1, c3, -c1, -c5, \ - c5, c7, c3, -c7, \ - c4, -c6, c4, -c6, \ - -c4, c2, c4, -c2, \ - c5, -c1, c3, -c1, \ - c7, c3, c7, -c5 } +#define mmxext_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, -c4, -c2, \ + c4, c6, c4, c6, \ + c1, c3, -c1, -c5, \ + c5, c7, c3, -c7, \ + c4, -c6, c4, -c6, \ + -c4, c2, c4, -c2, \ + c5, -c1, c3, -c1, \ + c7, c3, c7, -c5 } static inline void mmxext_row_head (int16_t * row, int offset, const int16_t * table) { - movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0 + movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0 - movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1 - movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0 + movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1 + movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0 - movq_m2r (*table, mm3); // mm3 = -C2 -C4 C2 C4 - movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1 + movq_m2r (*table, mm3); // mm3 = -C2 -C4 C2 C4 + movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1 - movq_m2r (*(table+4), mm4); // mm4 = C6 C4 C6 C4 - pmaddwd_r2r (mm0, mm3); // mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 + movq_m2r (*(table+4), mm4); // mm4 = C6 C4 C6 C4 + pmaddwd_r2r (mm0, mm3); // mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 - pshufw_r2r (mm2, mm2, 0x4e); // mm2 = x2 x0 x6 x4 + pshufw_r2r (mm2, mm2, 0x4e); // mm2 = x2 x0 x6 x4 } static inline void mmxext_row (const int16_t * table, const int32_t * rounder) { - movq_m2r (*(table+8), mm1); // mm1 = -C5 -C1 C3 C1 - pmaddwd_r2r (mm2, mm4); // mm4 = C4*x0+C6*x2 C4*x4+C6*x6 + movq_m2r (*(table+8), mm1); // mm1 = -C5 -C1 C3 C1 + pmaddwd_r2r (mm2, mm4); // mm4 = C4*x0+C6*x2 C4*x4+C6*x6 - pmaddwd_m2r (*(table+16), mm0); // mm0 = C4*x4-C6*x6 C4*x0-C6*x2 - pshufw_r2r (mm6, mm6, 0x4e); // mm6 = x3 x1 x7 x5 + pmaddwd_m2r (*(table+16), mm0); // mm0 = C4*x4-C6*x6 C4*x0-C6*x2 + pshufw_r2r (mm6, mm6, 0x4e); // mm6 = x3 x1 x7 x5 - movq_m2r (*(table+12), mm7); // mm7 = -C7 C3 C7 C5 - pmaddwd_r2r (mm5, mm1); // mm1 = -C1*x5-C5*x7 C1*x1+C3*x3 + movq_m2r (*(table+12), mm7); // mm7 = -C7 C3 C7 C5 + pmaddwd_r2r (mm5, mm1); // mm1 = -C1*x5-C5*x7 C1*x1+C3*x3 - paddd_m2r (*rounder, mm3); // mm3 += rounder - pmaddwd_r2r (mm6, mm7); // mm7 = C3*x1-C7*x3 C5*x5+C7*x7 + paddd_m2r (*rounder, mm3); // mm3 += rounder + pmaddwd_r2r (mm6, mm7); // mm7 = C3*x1-C7*x3 C5*x5+C7*x7 - pmaddwd_m2r (*(table+20), mm2); // mm2 = C4*x0-C2*x2 -C4*x4+C2*x6 - paddd_r2r (mm4, mm3); // mm3 = a1 a0 + rounder + pmaddwd_m2r (*(table+20), mm2); // mm2 = C4*x0-C2*x2 -C4*x4+C2*x6 + paddd_r2r (mm4, mm3); // mm3 = a1 a0 + rounder - pmaddwd_m2r (*(table+24), mm5); // mm5 = C3*x5-C1*x7 C5*x1-C1*x3 - movq_r2r (mm3, mm4); // mm4 = a1 a0 + rounder + pmaddwd_m2r (*(table+24), mm5); // mm5 = C3*x5-C1*x7 C5*x1-C1*x3 + movq_r2r (mm3, mm4); // mm4 = a1 a0 + rounder - pmaddwd_m2r (*(table+28), mm6); // mm6 = C7*x1-C5*x3 C7*x5+C3*x7 - paddd_r2r (mm7, mm1); // mm1 = b1 b0 + pmaddwd_m2r (*(table+28), mm6); // mm6 = C7*x1-C5*x3 C7*x5+C3*x7 + paddd_r2r (mm7, mm1); // mm1 = b1 b0 - paddd_m2r (*rounder, mm0); // mm0 += rounder - psubd_r2r (mm1, mm3); // mm3 = a1-b1 a0-b0 + rounder + paddd_m2r (*rounder, mm0); // mm0 += rounder + psubd_r2r (mm1, mm3); // mm3 = a1-b1 a0-b0 + rounder - psrad_i2r (ROW_SHIFT, mm3); // mm3 = y6 y7 - paddd_r2r (mm4, mm1); // mm1 = a1+b1 a0+b0 + rounder + psrad_i2r (ROW_SHIFT, mm3); // mm3 = y6 y7 + paddd_r2r (mm4, mm1); // mm1 = a1+b1 a0+b0 + rounder - paddd_r2r (mm2, mm0); // mm0 = a3 a2 + rounder - psrad_i2r (ROW_SHIFT, mm1); // mm1 = y1 y0 + paddd_r2r (mm2, mm0); // mm0 = a3 a2 + rounder + psrad_i2r (ROW_SHIFT, mm1); // mm1 = y1 y0 - paddd_r2r (mm6, mm5); // mm5 = b3 b2 - movq_r2r (mm0, mm4); // mm4 = a3 a2 + rounder + paddd_r2r (mm6, mm5); // mm5 = b3 b2 + movq_r2r (mm0, mm4); // mm4 = a3 a2 + rounder - paddd_r2r (mm5, mm0); // mm0 = a3+b3 a2+b2 + rounder - psubd_r2r (mm5, mm4); // mm4 = a3-b3 a2-b2 + rounder + paddd_r2r (mm5, mm0); // mm0 = a3+b3 a2+b2 + rounder + psubd_r2r (mm5, mm4); // mm4 = a3-b3 a2-b2 + rounder } static inline void mmxext_row_tail (int16_t * row, int store) { - psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2 + psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2 - psrad_i2r (ROW_SHIFT, mm4); // mm4 = y4 y5 + psrad_i2r (ROW_SHIFT, mm4); // mm4 = y4 y5 - packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0 + packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0 - packssdw_r2r (mm3, mm4); // mm4 = y6 y7 y4 y5 + packssdw_r2r (mm3, mm4); // mm4 = y6 y7 y4 y5 - movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0 - pshufw_r2r (mm4, mm4, 0xb1); // mm4 = y7 y6 y5 y4 + movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0 + pshufw_r2r (mm4, mm4, 0xb1); // mm4 = y7 y6 y5 y4 /* slot */ - movq_r2m (mm4, *(row+store+4)); // save y7 y6 y5 y4 + movq_r2m (mm4, *(row+store+4)); // save y7 y6 y5 y4 } static inline void mmxext_row_mid (int16_t * row, int store, - int offset, const int16_t * table) + int offset, const int16_t * table) { - movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0 - psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2 + movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0 + psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2 - movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1 - psrad_i2r (ROW_SHIFT, mm4); // mm4 = y4 y5 + movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1 + psrad_i2r (ROW_SHIFT, mm4); // mm4 = y4 y5 - packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0 - movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1 + packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0 + movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1 - packssdw_r2r (mm3, mm4); // mm4 = y6 y7 y4 y5 - movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0 + packssdw_r2r (mm3, mm4); // mm4 = y6 y7 y4 y5 + movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0 - movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0 - pshufw_r2r (mm4, mm4, 0xb1); // mm4 = y7 y6 y5 y4 + movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0 + pshufw_r2r (mm4, mm4, 0xb1); // mm4 = y7 y6 y5 y4 - movq_m2r (*table, mm3); // mm3 = -C2 -C4 C2 C4 - movq_r2m (mm4, *(row+store+4)); // save y7 y6 y5 y4 + movq_m2r (*table, mm3); // mm3 = -C2 -C4 C2 C4 + movq_r2m (mm4, *(row+store+4)); // save y7 y6 y5 y4 - pmaddwd_r2r (mm0, mm3); // mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 + pmaddwd_r2r (mm0, mm3); // mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 - movq_m2r (*(table+4), mm4); // mm4 = C6 C4 C6 C4 - pshufw_r2r (mm2, mm2, 0x4e); // mm2 = x2 x0 x6 x4 + movq_m2r (*(table+4), mm4); // mm4 = C6 C4 C6 C4 + pshufw_r2r (mm2, mm2, 0x4e); // mm2 = x2 x0 x6 x4 } /* MMX row IDCT */ -#define mmx_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, c4, c6, \ - c4, c6, -c4, -c2, \ - c1, c3, c3, -c7, \ - c5, c7, -c1, -c5, \ - c4, -c6, c4, -c2, \ - -c4, c2, c4, -c6, \ - c5, -c1, c7, -c5, \ - c7, c3, c3, -c1 } +#define mmx_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, c4, c6, \ + c4, c6, -c4, -c2, \ + c1, c3, c3, -c7, \ + c5, c7, -c1, -c5, \ + c4, -c6, c4, -c2, \ + -c4, c2, c4, -c6, \ + c5, -c1, c7, -c5, \ + c7, c3, c3, -c1 } static inline void mmx_row_head (int16_t * row, int offset, const int16_t * table) { - movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0 + movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0 - movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1 - movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0 + movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1 + movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0 - movq_m2r (*table, mm3); // mm3 = C6 C4 C2 C4 - movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1 + movq_m2r (*table, mm3); // mm3 = C6 C4 C2 C4 + movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1 - punpckldq_r2r (mm0, mm0); // mm0 = x2 x0 x2 x0 + punpckldq_r2r (mm0, mm0); // mm0 = x2 x0 x2 x0 - movq_m2r (*(table+4), mm4); // mm4 = -C2 -C4 C6 C4 - pmaddwd_r2r (mm0, mm3); // mm3 = C4*x0+C6*x2 C4*x0+C2*x2 + movq_m2r (*(table+4), mm4); // mm4 = -C2 -C4 C6 C4 + pmaddwd_r2r (mm0, mm3); // mm3 = C4*x0+C6*x2 C4*x0+C2*x2 - movq_m2r (*(table+8), mm1); // mm1 = -C7 C3 C3 C1 - punpckhdq_r2r (mm2, mm2); // mm2 = x6 x4 x6 x4 + movq_m2r (*(table+8), mm1); // mm1 = -C7 C3 C3 C1 + punpckhdq_r2r (mm2, mm2); // mm2 = x6 x4 x6 x4 } static inline void mmx_row (const int16_t * table, const int32_t * rounder) { - pmaddwd_r2r (mm2, mm4); // mm4 = -C4*x4-C2*x6 C4*x4+C6*x6 - punpckldq_r2r (mm5, mm5); // mm5 = x3 x1 x3 x1 + pmaddwd_r2r (mm2, mm4); // mm4 = -C4*x4-C2*x6 C4*x4+C6*x6 + punpckldq_r2r (mm5, mm5); // mm5 = x3 x1 x3 x1 - pmaddwd_m2r (*(table+16), mm0); // mm0 = C4*x0-C2*x2 C4*x0-C6*x2 - punpckhdq_r2r (mm6, mm6); // mm6 = x7 x5 x7 x5 + pmaddwd_m2r (*(table+16), mm0); // mm0 = C4*x0-C2*x2 C4*x0-C6*x2 + punpckhdq_r2r (mm6, mm6); // mm6 = x7 x5 x7 x5 - movq_m2r (*(table+12), mm7); // mm7 = -C5 -C1 C7 C5 - pmaddwd_r2r (mm5, mm1); // mm1 = C3*x1-C7*x3 C1*x1+C3*x3 + movq_m2r (*(table+12), mm7); // mm7 = -C5 -C1 C7 C5 + pmaddwd_r2r (mm5, mm1); // mm1 = C3*x1-C7*x3 C1*x1+C3*x3 - paddd_m2r (*rounder, mm3); // mm3 += rounder - pmaddwd_r2r (mm6, mm7); // mm7 = -C1*x5-C5*x7 C5*x5+C7*x7 + paddd_m2r (*rounder, mm3); // mm3 += rounder + pmaddwd_r2r (mm6, mm7); // mm7 = -C1*x5-C5*x7 C5*x5+C7*x7 - pmaddwd_m2r (*(table+20), mm2); // mm2 = C4*x4-C6*x6 -C4*x4+C2*x6 - paddd_r2r (mm4, mm3); // mm3 = a1 a0 + rounder + pmaddwd_m2r (*(table+20), mm2); // mm2 = C4*x4-C6*x6 -C4*x4+C2*x6 + paddd_r2r (mm4, mm3); // mm3 = a1 a0 + rounder - pmaddwd_m2r (*(table+24), mm5); // mm5 = C7*x1-C5*x3 C5*x1-C1*x3 - movq_r2r (mm3, mm4); // mm4 = a1 a0 + rounder + pmaddwd_m2r (*(table+24), mm5); // mm5 = C7*x1-C5*x3 C5*x1-C1*x3 + movq_r2r (mm3, mm4); // mm4 = a1 a0 + rounder - pmaddwd_m2r (*(table+28), mm6); // mm6 = C3*x5-C1*x7 C7*x5+C3*x7 - paddd_r2r (mm7, mm1); // mm1 = b1 b0 + pmaddwd_m2r (*(table+28), mm6); // mm6 = C3*x5-C1*x7 C7*x5+C3*x7 + paddd_r2r (mm7, mm1); // mm1 = b1 b0 - paddd_m2r (*rounder, mm0); // mm0 += rounder - psubd_r2r (mm1, mm3); // mm3 = a1-b1 a0-b0 + rounder + paddd_m2r (*rounder, mm0); // mm0 += rounder + psubd_r2r (mm1, mm3); // mm3 = a1-b1 a0-b0 + rounder - psrad_i2r (ROW_SHIFT, mm3); // mm3 = y6 y7 - paddd_r2r (mm4, mm1); // mm1 = a1+b1 a0+b0 + rounder + psrad_i2r (ROW_SHIFT, mm3); // mm3 = y6 y7 + paddd_r2r (mm4, mm1); // mm1 = a1+b1 a0+b0 + rounder - paddd_r2r (mm2, mm0); // mm0 = a3 a2 + rounder - psrad_i2r (ROW_SHIFT, mm1); // mm1 = y1 y0 + paddd_r2r (mm2, mm0); // mm0 = a3 a2 + rounder + psrad_i2r (ROW_SHIFT, mm1); // mm1 = y1 y0 - paddd_r2r (mm6, mm5); // mm5 = b3 b2 - movq_r2r (mm0, mm7); // mm7 = a3 a2 + rounder + paddd_r2r (mm6, mm5); // mm5 = b3 b2 + movq_r2r (mm0, mm7); // mm7 = a3 a2 + rounder - paddd_r2r (mm5, mm0); // mm0 = a3+b3 a2+b2 + rounder - psubd_r2r (mm5, mm7); // mm7 = a3-b3 a2-b2 + rounder + paddd_r2r (mm5, mm0); // mm0 = a3+b3 a2+b2 + rounder + psubd_r2r (mm5, mm7); // mm7 = a3-b3 a2-b2 + rounder } static inline void mmx_row_tail (int16_t * row, int store) { - psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2 + psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2 - psrad_i2r (ROW_SHIFT, mm7); // mm7 = y4 y5 + psrad_i2r (ROW_SHIFT, mm7); // mm7 = y4 y5 - packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0 + packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0 - packssdw_r2r (mm3, mm7); // mm7 = y6 y7 y4 y5 + packssdw_r2r (mm3, mm7); // mm7 = y6 y7 y4 y5 - movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0 - movq_r2r (mm7, mm4); // mm4 = y6 y7 y4 y5 + movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0 + movq_r2r (mm7, mm4); // mm4 = y6 y7 y4 y5 - pslld_i2r (16, mm7); // mm7 = y7 0 y5 0 + pslld_i2r (16, mm7); // mm7 = y7 0 y5 0 - psrld_i2r (16, mm4); // mm4 = 0 y6 0 y4 + psrld_i2r (16, mm4); // mm4 = 0 y6 0 y4 - por_r2r (mm4, mm7); // mm7 = y7 y6 y5 y4 + por_r2r (mm4, mm7); // mm7 = y7 y6 y5 y4 /* slot */ - movq_r2m (mm7, *(row+store+4)); // save y7 y6 y5 y4 + movq_r2m (mm7, *(row+store+4)); // save y7 y6 y5 y4 } static inline void mmx_row_mid (int16_t * row, int store, - int offset, const int16_t * table) + int offset, const int16_t * table) { - movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0 - psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2 + movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0 + psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2 - movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1 - psrad_i2r (ROW_SHIFT, mm7); // mm7 = y4 y5 + movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1 + psrad_i2r (ROW_SHIFT, mm7); // mm7 = y4 y5 - packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0 - movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1 + packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0 + movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1 - packssdw_r2r (mm3, mm7); // mm7 = y6 y7 y4 y5 - movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0 + packssdw_r2r (mm3, mm7); // mm7 = y6 y7 y4 y5 + movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0 - movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0 - movq_r2r (mm7, mm1); // mm1 = y6 y7 y4 y5 + movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0 + movq_r2r (mm7, mm1); // mm1 = y6 y7 y4 y5 - punpckldq_r2r (mm0, mm0); // mm0 = x2 x0 x2 x0 - psrld_i2r (16, mm7); // mm7 = 0 y6 0 y4 + punpckldq_r2r (mm0, mm0); // mm0 = x2 x0 x2 x0 + psrld_i2r (16, mm7); // mm7 = 0 y6 0 y4 - movq_m2r (*table, mm3); // mm3 = C6 C4 C2 C4 - pslld_i2r (16, mm1); // mm1 = y7 0 y5 0 + movq_m2r (*table, mm3); // mm3 = C6 C4 C2 C4 + pslld_i2r (16, mm1); // mm1 = y7 0 y5 0 - movq_m2r (*(table+4), mm4); // mm4 = -C2 -C4 C6 C4 - por_r2r (mm1, mm7); // mm7 = y7 y6 y5 y4 + movq_m2r (*(table+4), mm4); // mm4 = -C2 -C4 C6 C4 + por_r2r (mm1, mm7); // mm7 = y7 y6 y5 y4 - movq_m2r (*(table+8), mm1); // mm1 = -C7 C3 C3 C1 - punpckhdq_r2r (mm2, mm2); // mm2 = x6 x4 x6 x4 + movq_m2r (*(table+8), mm1); // mm1 = -C7 C3 C3 C1 + punpckhdq_r2r (mm2, mm2); // mm2 = x6 x4 x6 x4 - movq_r2m (mm7, *(row+store+4)); // save y7 y6 y5 y4 - pmaddwd_r2r (mm0, mm3); // mm3 = C4*x0+C6*x2 C4*x0+C2*x2 + movq_r2m (mm7, *(row+store+4)); // save y7 y6 y5 y4 + pmaddwd_r2r (mm0, mm3); // mm3 = C4*x0+C6*x2 C4*x0+C2*x2 } @@ -403,132 +403,132 @@ static inline void idct_col (int16_t * col, int offset) /* column code adapted from peter gubanov */ /* http://www.elecard.com/peter/idct.shtml */ - movq_m2r (*_T1, mm0); // mm0 = T1 + movq_m2r (*_T1, mm0); // mm0 = T1 - movq_m2r (*(col+offset+1*8), mm1); // mm1 = x1 - movq_r2r (mm0, mm2); // mm2 = T1 + movq_m2r (*(col+offset+1*8), mm1); // mm1 = x1 + movq_r2r (mm0, mm2); // mm2 = T1 - movq_m2r (*(col+offset+7*8), mm4); // mm4 = x7 - pmulhw_r2r (mm1, mm0); // mm0 = T1*x1 + movq_m2r (*(col+offset+7*8), mm4); // mm4 = x7 + pmulhw_r2r (mm1, mm0); // mm0 = T1*x1 - movq_m2r (*_T3, mm5); // mm5 = T3 - pmulhw_r2r (mm4, mm2); // mm2 = T1*x7 + movq_m2r (*_T3, mm5); // mm5 = T3 + pmulhw_r2r (mm4, mm2); // mm2 = T1*x7 - movq_m2r (*(col+offset+5*8), mm6); // mm6 = x5 - movq_r2r (mm5, mm7); // mm7 = T3-1 + movq_m2r (*(col+offset+5*8), mm6); // mm6 = x5 + movq_r2r (mm5, mm7); // mm7 = T3-1 - movq_m2r (*(col+offset+3*8), mm3); // mm3 = x3 - psubsw_r2r (mm4, mm0); // mm0 = v17 + movq_m2r (*(col+offset+3*8), mm3); // mm3 = x3 + psubsw_r2r (mm4, mm0); // mm0 = v17 - movq_m2r (*_T2, mm4); // mm4 = T2 - pmulhw_r2r (mm3, mm5); // mm5 = (T3-1)*x3 + movq_m2r (*_T2, mm4); // mm4 = T2 + pmulhw_r2r (mm3, mm5); // mm5 = (T3-1)*x3 - paddsw_r2r (mm2, mm1); // mm1 = u17 - pmulhw_r2r (mm6, mm7); // mm7 = (T3-1)*x5 + paddsw_r2r (mm2, mm1); // mm1 = u17 + pmulhw_r2r (mm6, mm7); // mm7 = (T3-1)*x5 /* slot */ - movq_r2r (mm4, mm2); // mm2 = T2 - paddsw_r2r (mm3, mm5); // mm5 = T3*x3 + movq_r2r (mm4, mm2); // mm2 = T2 + paddsw_r2r (mm3, mm5); // mm5 = T3*x3 pmulhw_m2r (*(col+offset+2*8), mm4);// mm4 = T2*x2 - paddsw_r2r (mm6, mm7); // mm7 = T3*x5 + paddsw_r2r (mm6, mm7); // mm7 = T3*x5 - psubsw_r2r (mm6, mm5); // mm5 = v35 - paddsw_r2r (mm3, mm7); // mm7 = u35 + psubsw_r2r (mm6, mm5); // mm5 = v35 + paddsw_r2r (mm3, mm7); // mm7 = u35 - movq_m2r (*(col+offset+6*8), mm3); // mm3 = x6 - movq_r2r (mm0, mm6); // mm6 = v17 + movq_m2r (*(col+offset+6*8), mm3); // mm3 = x6 + movq_r2r (mm0, mm6); // mm6 = v17 - pmulhw_r2r (mm3, mm2); // mm2 = T2*x6 - psubsw_r2r (mm5, mm0); // mm0 = b3 + pmulhw_r2r (mm3, mm2); // mm2 = T2*x6 + psubsw_r2r (mm5, mm0); // mm0 = b3 - psubsw_r2r (mm3, mm4); // mm4 = v26 - paddsw_r2r (mm6, mm5); // mm5 = v12 + psubsw_r2r (mm3, mm4); // mm4 = v26 + paddsw_r2r (mm6, mm5); // mm5 = v12 - movq_r2m (mm0, *(col+offset+3*8)); // save b3 in scratch0 - movq_r2r (mm1, mm6); // mm6 = u17 + movq_r2m (mm0, *(col+offset+3*8)); // save b3 in scratch0 + movq_r2r (mm1, mm6); // mm6 = u17 paddsw_m2r (*(col+offset+2*8), mm2);// mm2 = u26 - paddsw_r2r (mm7, mm6); // mm6 = b0 + paddsw_r2r (mm7, mm6); // mm6 = b0 - psubsw_r2r (mm7, mm1); // mm1 = u12 - movq_r2r (mm1, mm7); // mm7 = u12 + psubsw_r2r (mm7, mm1); // mm1 = u12 + movq_r2r (mm1, mm7); // mm7 = u12 - movq_m2r (*(col+offset+0*8), mm3); // mm3 = x0 - paddsw_r2r (mm5, mm1); // mm1 = u12+v12 + movq_m2r (*(col+offset+0*8), mm3); // mm3 = x0 + paddsw_r2r (mm5, mm1); // mm1 = u12+v12 - movq_m2r (*_C4, mm0); // mm0 = C4/2 - psubsw_r2r (mm5, mm7); // mm7 = u12-v12 + movq_m2r (*_C4, mm0); // mm0 = C4/2 + psubsw_r2r (mm5, mm7); // mm7 = u12-v12 - movq_r2m (mm6, *(col+offset+5*8)); // save b0 in scratch1 - pmulhw_r2r (mm0, mm1); // mm1 = b1/2 + movq_r2m (mm6, *(col+offset+5*8)); // save b0 in scratch1 + pmulhw_r2r (mm0, mm1); // mm1 = b1/2 - movq_r2r (mm4, mm6); // mm6 = v26 - pmulhw_r2r (mm0, mm7); // mm7 = b2/2 + movq_r2r (mm4, mm6); // mm6 = v26 + pmulhw_r2r (mm0, mm7); // mm7 = b2/2 - movq_m2r (*(col+offset+4*8), mm5); // mm5 = x4 - movq_r2r (mm3, mm0); // mm0 = x0 + movq_m2r (*(col+offset+4*8), mm5); // mm5 = x4 + movq_r2r (mm3, mm0); // mm0 = x0 - psubsw_r2r (mm5, mm3); // mm3 = v04 - paddsw_r2r (mm5, mm0); // mm0 = u04 + psubsw_r2r (mm5, mm3); // mm3 = v04 + paddsw_r2r (mm5, mm0); // mm0 = u04 - paddsw_r2r (mm3, mm4); // mm4 = a1 - movq_r2r (mm0, mm5); // mm5 = u04 + paddsw_r2r (mm3, mm4); // mm4 = a1 + movq_r2r (mm0, mm5); // mm5 = u04 - psubsw_r2r (mm6, mm3); // mm3 = a2 - paddsw_r2r (mm2, mm5); // mm5 = a0 + psubsw_r2r (mm6, mm3); // mm3 = a2 + paddsw_r2r (mm2, mm5); // mm5 = a0 - paddsw_r2r (mm1, mm1); // mm1 = b1 - psubsw_r2r (mm2, mm0); // mm0 = a3 + paddsw_r2r (mm1, mm1); // mm1 = b1 + psubsw_r2r (mm2, mm0); // mm0 = a3 - paddsw_r2r (mm7, mm7); // mm7 = b2 - movq_r2r (mm3, mm2); // mm2 = a2 + paddsw_r2r (mm7, mm7); // mm7 = b2 + movq_r2r (mm3, mm2); // mm2 = a2 - movq_r2r (mm4, mm6); // mm6 = a1 - paddsw_r2r (mm7, mm3); // mm3 = a2+b2 + movq_r2r (mm4, mm6); // mm6 = a1 + paddsw_r2r (mm7, mm3); // mm3 = a2+b2 - psraw_i2r (COL_SHIFT, mm3); // mm3 = y2 - paddsw_r2r (mm1, mm4); // mm4 = a1+b1 + psraw_i2r (COL_SHIFT, mm3); // mm3 = y2 + paddsw_r2r (mm1, mm4); // mm4 = a1+b1 - psraw_i2r (COL_SHIFT, mm4); // mm4 = y1 - psubsw_r2r (mm1, mm6); // mm6 = a1-b1 + psraw_i2r (COL_SHIFT, mm4); // mm4 = y1 + psubsw_r2r (mm1, mm6); // mm6 = a1-b1 - movq_m2r (*(col+offset+5*8), mm1); // mm1 = b0 - psubsw_r2r (mm7, mm2); // mm2 = a2-b2 + movq_m2r (*(col+offset+5*8), mm1); // mm1 = b0 + psubsw_r2r (mm7, mm2); // mm2 = a2-b2 - psraw_i2r (COL_SHIFT, mm6); // mm6 = y6 - movq_r2r (mm5, mm7); // mm7 = a0 + psraw_i2r (COL_SHIFT, mm6); // mm6 = y6 + movq_r2r (mm5, mm7); // mm7 = a0 - movq_r2m (mm4, *(col+offset+1*8)); // save y1 - psraw_i2r (COL_SHIFT, mm2); // mm2 = y5 + movq_r2m (mm4, *(col+offset+1*8)); // save y1 + psraw_i2r (COL_SHIFT, mm2); // mm2 = y5 - movq_r2m (mm3, *(col+offset+2*8)); // save y2 - paddsw_r2r (mm1, mm5); // mm5 = a0+b0 + movq_r2m (mm3, *(col+offset+2*8)); // save y2 + paddsw_r2r (mm1, mm5); // mm5 = a0+b0 - movq_m2r (*(col+offset+3*8), mm4); // mm4 = b3 - psubsw_r2r (mm1, mm7); // mm7 = a0-b0 + movq_m2r (*(col+offset+3*8), mm4); // mm4 = b3 + psubsw_r2r (mm1, mm7); // mm7 = a0-b0 - psraw_i2r (COL_SHIFT, mm5); // mm5 = y0 - movq_r2r (mm0, mm3); // mm3 = a3 + psraw_i2r (COL_SHIFT, mm5); // mm5 = y0 + movq_r2r (mm0, mm3); // mm3 = a3 - movq_r2m (mm2, *(col+offset+5*8)); // save y5 - psubsw_r2r (mm4, mm3); // mm3 = a3-b3 + movq_r2m (mm2, *(col+offset+5*8)); // save y5 + psubsw_r2r (mm4, mm3); // mm3 = a3-b3 - psraw_i2r (COL_SHIFT, mm7); // mm7 = y7 - paddsw_r2r (mm0, mm4); // mm4 = a3+b3 + psraw_i2r (COL_SHIFT, mm7); // mm7 = y7 + paddsw_r2r (mm0, mm4); // mm4 = a3+b3 - movq_r2m (mm5, *(col+offset+0*8)); // save y0 - psraw_i2r (COL_SHIFT, mm3); // mm3 = y4 + movq_r2m (mm5, *(col+offset+0*8)); // save y0 + psraw_i2r (COL_SHIFT, mm3); // mm3 = y4 - movq_r2m (mm6, *(col+offset+6*8)); // save y6 - psraw_i2r (COL_SHIFT, mm4); // mm4 = y3 + movq_r2m (mm6, *(col+offset+6*8)); // save y6 + psraw_i2r (COL_SHIFT, mm4); // mm4 = y3 - movq_r2m (mm7, *(col+offset+7*8)); // save y7 + movq_r2m (mm7, *(col+offset+7*8)); // save y7 - movq_r2m (mm3, *(col+offset+4*8)); // save y4 + movq_r2m (mm3, *(col+offset+4*8)); // save y4 - movq_r2m (mm4, *(col+offset+3*8)); // save y3 + movq_r2m (mm4, *(col+offset+3*8)); // save y3 #undef T1 #undef T2 @@ -540,61 +540,61 @@ static const int32_t rounder0[] ATTR_ALIGN(8) = rounder ((1 << (COL_SHIFT - 1)) - 0.5); static const int32_t rounder4[] ATTR_ALIGN(8) = rounder (0); static const int32_t rounder1[] ATTR_ALIGN(8) = - rounder (1.25683487303); /* C1*(C1/C4+C1+C7)/2 */ + rounder (1.25683487303); /* C1*(C1/C4+C1+C7)/2 */ static const int32_t rounder7[] ATTR_ALIGN(8) = - rounder (-0.25); /* C1*(C7/C4+C7-C1)/2 */ + rounder (-0.25); /* C1*(C7/C4+C7-C1)/2 */ static const int32_t rounder2[] ATTR_ALIGN(8) = - rounder (0.60355339059); /* C2 * (C6+C2)/2 */ + rounder (0.60355339059); /* C2 * (C6+C2)/2 */ static const int32_t rounder6[] ATTR_ALIGN(8) = - rounder (-0.25); /* C2 * (C6-C2)/2 */ + rounder (-0.25); /* C2 * (C6-C2)/2 */ static const int32_t rounder3[] ATTR_ALIGN(8) = - rounder (0.087788325588); /* C3*(-C3/C4+C3+C5)/2 */ + rounder (0.087788325588); /* C3*(-C3/C4+C3+C5)/2 */ static const int32_t rounder5[] ATTR_ALIGN(8) = - rounder (-0.441341716183); /* C3*(-C5/C4+C5-C3)/2 */ + rounder (-0.441341716183); /* C3*(-C5/C4+C5-C3)/2 */ #undef COL_SHIFT #undef ROW_SHIFT -#define declare_idct(idct,table,idct_row_head,idct_row,idct_row_tail,idct_row_mid) \ -void idct (int16_t * block) \ -{ \ - static const int16_t table04[] ATTR_ALIGN(16) = \ - table (22725, 21407, 19266, 16384, 12873, 8867, 4520); \ - static const int16_t table17[] ATTR_ALIGN(16) = \ - table (31521, 29692, 26722, 22725, 17855, 12299, 6270); \ - static const int16_t table26[] ATTR_ALIGN(16) = \ - table (29692, 27969, 25172, 21407, 16819, 11585, 5906); \ - static const int16_t table35[] ATTR_ALIGN(16) = \ - table (26722, 25172, 22654, 19266, 15137, 10426, 5315); \ - \ - idct_row_head (block, 0*8, table04); \ - idct_row (table04, rounder0); \ - idct_row_mid (block, 0*8, 4*8, table04); \ - idct_row (table04, rounder4); \ - idct_row_mid (block, 4*8, 1*8, table17); \ - idct_row (table17, rounder1); \ - idct_row_mid (block, 1*8, 7*8, table17); \ - idct_row (table17, rounder7); \ - idct_row_mid (block, 7*8, 2*8, table26); \ - idct_row (table26, rounder2); \ - idct_row_mid (block, 2*8, 6*8, table26); \ - idct_row (table26, rounder6); \ - idct_row_mid (block, 6*8, 3*8, table35); \ - idct_row (table35, rounder3); \ - idct_row_mid (block, 3*8, 5*8, table35); \ - idct_row (table35, rounder5); \ - idct_row_tail (block, 5*8); \ - \ - idct_col (block, 0); \ - idct_col (block, 4); \ +#define declare_idct(idct,table,idct_row_head,idct_row,idct_row_tail,idct_row_mid) \ +void idct (int16_t * block) \ +{ \ + static const int16_t table04[] ATTR_ALIGN(16) = \ + table (22725, 21407, 19266, 16384, 12873, 8867, 4520); \ + static const int16_t table17[] ATTR_ALIGN(16) = \ + table (31521, 29692, 26722, 22725, 17855, 12299, 6270); \ + static const int16_t table26[] ATTR_ALIGN(16) = \ + table (29692, 27969, 25172, 21407, 16819, 11585, 5906); \ + static const int16_t table35[] ATTR_ALIGN(16) = \ + table (26722, 25172, 22654, 19266, 15137, 10426, 5315); \ + \ + idct_row_head (block, 0*8, table04); \ + idct_row (table04, rounder0); \ + idct_row_mid (block, 0*8, 4*8, table04); \ + idct_row (table04, rounder4); \ + idct_row_mid (block, 4*8, 1*8, table17); \ + idct_row (table17, rounder1); \ + idct_row_mid (block, 1*8, 7*8, table17); \ + idct_row (table17, rounder7); \ + idct_row_mid (block, 7*8, 2*8, table26); \ + idct_row (table26, rounder2); \ + idct_row_mid (block, 2*8, 6*8, table26); \ + idct_row (table26, rounder6); \ + idct_row_mid (block, 6*8, 3*8, table35); \ + idct_row (table35, rounder3); \ + idct_row_mid (block, 3*8, 5*8, table35); \ + idct_row (table35, rounder5); \ + idct_row_tail (block, 5*8); \ + \ + idct_col (block, 0); \ + idct_col (block, 4); \ } void ff_mmx_idct(DCTELEM *block); void ff_mmxext_idct(DCTELEM *block); declare_idct (ff_mmxext_idct, mmxext_table, - mmxext_row_head, mmxext_row, mmxext_row_tail, mmxext_row_mid) + mmxext_row_head, mmxext_row, mmxext_row_tail, mmxext_row_mid) declare_idct (ff_mmx_idct, mmx_table, - mmx_row_head, mmx_row, mmx_row_tail, mmx_row_mid) + mmx_row_head, mmx_row, mmx_row_tail, mmx_row_mid) |